Code:
{PPU Thread[0x1b8] (Unnamed DL2 thread)[0x00dc8f54]} Exception: invalid map<K, T> key

This happens on a few games.
I found it happening more commonly on games that have an early Game ID count, usually before XX100.

If you swap the PARAM.SFO for one coming from a game that works, the game will boot.

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Keksus

Annie